Home / 82,944,086.35-124,416,129.53-82,440,201.55

Finding the Fourth Proportional to 82,944,086.35, 124,416,129.53 and 82,440,201.55

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Solution

The fourth proportional to 82,944,086.35, 124,416,129.53 and 82,440,201.55 is: 123,660,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,086.35 : 124,416,129.53 = 82,440,201.55 : x
  2. Step 2: Convert to fraction form
    82,944,086.35/124,416,129.53 = 82,440,201.55/x
  3. Step 3: Cross multiply
    82,944,086.35x = 124,416,129.53 × 82,440,201.55
  4. Step 4: Simplify right side
    82,944,086.35x = 10,256,890,794,111,906
  5. Step 5: Solve for x
    x = 10,256,890,794,111,906/82,944,086.35
  6. Step 6: Final answer
    x = 123,660,302.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.